USER_INDEXES

Description of the user's own indexes

Columns
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INDEX_NAME
Name of the index
INDEX_TYPE
--
TABLE_OWNER
Owner of the indexed object
TABLE_NAME
Name of the indexed object
TABLE_TYPE
Type of the indexed object
UNIQUENESS
Uniqueness status of the index: "UNIQUE","NONUNIQUE",or "BITMAP"
COMPRESSION
Compression property of the index: "ENABLED","DISABLED",or NULL
PREFIX_LENGTH
Number of key columns in the prefix used for compression
TABLESPACE_NAME
Name of the tablespace containing the index
INI_TRANS
Initial number of transactions
MAX_TRANS
Maximum number of transactions
INITIAL_EXTENT
Size of the initial extent in bytes
NEXT_EXTENT
Size of secondary extents in bytes
MIN_EXTENTS
Minimum number of extents allowed in the segment
MAX_EXTENTS
Maximum number of extents allowed in the segment
PCT_INCREASE
Percentage increase in extent size
PCT_THRESHOLD
Threshold percentage of block space allowed per index entry
INCLUDE_COLUMN
User column-id for last column to be included in index-only table top index
FREELISTS
Number of process freelists allocated in this segment
FREELIST_GROUPS
Number of freelist groups allocated to this segment
PCT_FREE
Minimum percentage of free space in a block
LOGGING
Logging attribute
BLEVEL
B-Tree level
LEAF_BLOCKS
The number of leaf blocks in the index
DISTINCT_KEYS
The number of distinct keys in the index
AVG_LEAF_BLOCKS_PER_KEY
The average number of leaf blocks per key
AVG_DATA_BLOCKS_PER_KEY
The average number of data blocks per key
CLUSTERING_FACTOR
A measurement of the amount of (dis)order of the table this index is for
STATUS
Whether the non-partitioned index is in USABLE or not
NUM_ROWS
Number of rows in the index
SAMPLE_SIZE
The sample size used in analyzing this index
LAST_ANALYZED
The date of the most recent time this index was analyzed
DEGREE
The number of threads per instance for scanning the partitioned index
INSTANCES
The number of instances across which the partitioned index is to be scanned
PARTITIONED
Is this index partitioned? YES or NO
TEMPORARY
Can the current session only see data that it place in this object itself?
GENERATED
Was the name of this index system generated?
SECONDARY
Is the index object created as part of icreate for domain indexes?
BUFFER_POOL
The default buffer pool to be used for index blocks
USER_STATS
Were the statistics entered directly by the user?
DURATION
If index on temporary table,then duration is sys$session or sys$transaction else NULL
PCT_DIRECT_ACCESS
If index on IOT,then this is percentage of rows with Valid guess
ITYP_OWNER
If domain index,then this is the indextype owner
ITYP_NAME
If domain index,then this is the name of the associated indextype
PARAMETERS
If domain index,then this is the parameter string
GLOBAL_STATS
Are the statistics calculated without merging underlying partitions?
DOMIDX_STATUS
Is the indextype of the domain index valid
DOMIDX_OPSTATUS
Status of the operation on the domain index
FUNCIDX_STATUS
Is the Function-based Index DISABLED or ENABLED?
JOIN_INDEX
Is this index a join index?